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-rw-r--r--modules/dup21
1 files changed, 1 insertions, 0 deletions
diff --git a/modules/dup2 b/modules/dup2
index a94dc17162..2317db3cdf 100644
--- a/modules/dup2
+++ b/modules/dup2
@@ -14,6 +14,7 @@ configure.ac:
gl_FUNC_DUP2
if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
AC_LIBOBJ([dup2])
+ gl_PREREQ_DUP2
fi
gl_UNISTD_MODULE_INDICATOR([dup2])